n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 2 |
4 | 12 |
5 | 96 |
6 | 1152 |
7 | 2304 |
8 | 41472 |
9 | 165888 |
10 | 3981312 |
11 | 119439360 |
12 | 3822059520 |
13 | 7644119040 |
14 | 321052999680 |
15 | 1284211998720 |
16 | 61642175938560 |
17 | 3328677500682240 |
18 | 199720650040934400 |
19 | 399441300081868800 |
20 | 1597765200327475200 |
21 | 115039094423578214400 |
22 | 230078188847156428800 |
23 | 18406255107772514304000 |
[1,3,2,12,96,1152,2304,41472,165888,3981312, 119439360,3822059520,7644119040,321052999680, 1284211998720,61642175938560,3328677500682240, 199720650040934400,399441300081868800, 1597765200327475200,115039094423578214400, 230078188847156428800,18406255107772514304000] |